int act_parse_police(struct action_util *a,int *argc_p, char ***argv_p, int tca_id, struct nlmsghdr *n)
{
int argc = *argc_p;
char **argv = *argv_p;
int res = -1;
int ok=0;
struct tc_police p;
__u32 rtab[256];
__u32 ptab[256];
__u32 avrate = 0;
int presult = 0;
unsigned buffer=0, mtu=0, mpu=0;
unsigned short overhead=0;
unsigned int linklayer = LINKLAYER_ETHERNET; /* Assume ethernet */
int Rcell_log=-1, Pcell_log = -1;
struct rtattr *tail;
memset(&p, 0, sizeof(p));
p.action = TC_POLICE_RECLASSIFY;
if (a) /* new way of doing things */
NEXT_ARG();
if (argc <= 0)
return -1;
while (argc > 0) {
if (matches(*argv, "index") == 0) {
NEXT_ARG();
if (get_u32(&p.index, *argv, 10)) {
fprintf(stderr, "Illegal \"index\"\n");
return -1;
}
} else if (matches(*argv, "burst") == 0 ||
strcmp(*argv, "buffer") == 0 ||
strcmp(*argv, "maxburst") == 0) {
NEXT_ARG();
if (buffer) {
fprintf(stderr, "Double \"buffer/burst\" spec\n");
return -1;
}
if (get_size_and_cell(&buffer, &Rcell_log, *argv) < 0) {
explain1("buffer");
return -1;
}
} else if (strcmp(*argv, "mtu") == 0 ||
strcmp(*argv, "minburst") == 0) {
NEXT_ARG();
if (mtu) {
fprintf(stderr, "Double \"mtu/minburst\" spec\n");
return -1;
}
if (get_size_and_cell(&mtu, &Pcell_log, *argv) < 0) {
explain1("mtu");
return -1;
}
} else if (strcmp(*argv, "mpu") == 0) {
NEXT_ARG();
if (mpu) {
fprintf(stderr, "Double \"mpu\" spec\n");
return -1;
}
if (get_size(&mpu, *argv)) {
explain1("mpu");
return -1;
}
} else if (strcmp(*argv, "rate") == 0) {
NEXT_ARG();
if (p.rate.rate) {
fprintf(stderr, "Double \"rate\" spec\n");
return -1;
}
if (get_rate(&p.rate.rate, *argv)) {
explain1("rate");
return -1;
}
} else if (strcmp(*argv, "avrate") == 0) {
NEXT_ARG();
if (avrate) {
fprintf(stderr, "Double \"avrate\" spec\n");
return -1;
}
if (get_rate(&avrate, *argv)) {
explain1("avrate");
return -1;
}
} else if (matches(*argv, "peakrate") == 0) {
NEXT_ARG();
if (p.peakrate.rate) {
fprintf(stderr, "Double \"peakrate\" spec\n");
return -1;
}
if (get_rate(&p.peakrate.rate, *argv)) {
explain1("peakrate");
return -1;
}
} else if (matches(*argv, "reclassify") == 0) {
p.action = TC_POLICE_RECLASSIFY;
} else if (matches(*argv, "drop") == 0 ||
matches(*argv, "shot") == 0) {
p.action = TC_POLICE_SHOT;
} else if (matches(*argv, "continue") == 0) {
p.action = TC_POLICE_UNSPEC;
} else if (matches(*argv, "pass") == 0) {
p.action = TC_POLICE_OK;
} else if (matches(*argv, "pipe") == 0) {
p.action = TC_POLICE_PIPE;
} else if (strcmp(*argv, "action") == 0 ||
strcmp(*argv, "conform-exceed") == 0) {
NEXT_ARG();
if (get_police_result(&p.action, &presult, *argv)) {
fprintf(stderr, "Illegal \"action\"\n");
return -1;
}
} else if (matches(*argv, "overhead") == 0) {
NEXT_ARG();
if (get_u16(&overhead, *argv, 10)) {
explain1("overhead"); return -1;
}
} else if (matches(*argv, "linklayer") == 0) {
NEXT_ARG();
if (get_linklayer(&linklayer, *argv)) {
explain1("linklayer"); return -1;
}
} else if (strcmp(*argv, "help") == 0) {
usage();
} else {
break;
}
ok++;
argc--; argv++;
}
if (!ok)
return -1;
if (p.rate.rate && !buffer) {
fprintf(stderr, "\"burst\" requires \"rate\".\n");
return -1;
}
if (p.peakrate.rate) {
if (!p.rate.rate) {
fprintf(stderr, "\"peakrate\" requires \"rate\".\n");
return -1;
}
if (!mtu) {
fprintf(stderr, "\"mtu\" is required, if \"peakrate\" is requested.\n");
return -1;
}
}
if (p.rate.rate) {
p.rate.mpu = mpu;
p.rate.overhead = overhead;
if (tc_calc_rtable(&p.rate, rtab, Rcell_log, mtu, linklayer) < 0) {
fprintf(stderr, "TBF: failed to calculate rate table.\n");
return -1;
}
p.burst = tc_calc_xmittime(p.rate.rate, buffer);
}
p.mtu = mtu;
if (p.peakrate.rate) {
p.peakrate.mpu = mpu;
p.peakrate.overhead = overhead;
if (tc_calc_rtable(&p.peakrate, ptab, Pcell_log, mtu, linklayer) < 0) {
fprintf(stderr, "POLICE: failed to calculate peak rate table.\n");
return -1;
}
}
tail = NLMSG_TAIL(n);
addattr_l(n, MAX_MSG, tca_id, NULL, 0);
addattr_l(n, MAX_MSG, TCA_POLICE_TBF, &p, sizeof(p));
if (p.rate.rate)
addattr_l(n, MAX_MSG, TCA_POLICE_RATE, rtab, 1024);
if (p.peakrate.rate)
addattr_l(n, MAX_MSG, TCA_POLICE_PEAKRATE, ptab, 1024);
if (avrate)
addattr32(n, MAX_MSG, TCA_POLICE_AVRATE, avrate);
if (presult)
addattr32(n, MAX_MSG, TCA_POLICE_RESULT, presult);
tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
res = 0;
*argc_p = argc;
*argv_p = argv;
return res;
}
static int tbf_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
{
int ok=0;
struct tc_tbf_qopt opt;
__u32 rtab[256];
__u32 ptab[256];
unsigned buffer=0, mtu=0, mpu=0, latency=0;
int Rcell_log=-1, Pcell_log = -1;
struct rtattr *tail;
memset(&opt, 0, sizeof(opt));
while (argc > 0) {
if (matches(*argv, "limit") == 0) {
NEXT_ARG();
if (opt.limit || latency) {
fprintf(stderr, "Double \"limit/latency\" spec\n");
return -1;
}
if (get_size(&opt.limit, *argv)) {
explain1("limit");
return -1;
}
ok++;
} else if (matches(*argv, "latency") == 0) {
NEXT_ARG();
if (opt.limit || latency) {
fprintf(stderr, "Double \"limit/latency\" spec\n");
return -1;
}
if (get_usecs(&latency, *argv)) {
explain1("latency");
return -1;
}
ok++;
} else if (matches(*argv, "burst") == 0 ||
strcmp(*argv, "buffer") == 0 ||
strcmp(*argv, "maxburst") == 0) {
NEXT_ARG();
if (buffer) {
fprintf(stderr, "Double \"buffer/burst\" spec\n");
return -1;
}
if (get_size_and_cell(&buffer, &Rcell_log, *argv) < 0) {
explain1("buffer");
return -1;
}
ok++;
} else if (strcmp(*argv, "mtu") == 0 ||
strcmp(*argv, "minburst") == 0) {
NEXT_ARG();
if (mtu) {
fprintf(stderr, "Double \"mtu/minburst\" spec\n");
return -1;
}
if (get_size_and_cell(&mtu, &Pcell_log, *argv) < 0) {
explain1("mtu");
return -1;
}
ok++;
} else if (strcmp(*argv, "mpu") == 0) {
NEXT_ARG();
if (mpu) {
fprintf(stderr, "Double \"mpu\" spec\n");
return -1;
}
if (get_size(&mpu, *argv)) {
explain1("mpu");
return -1;
}
ok++;
} else if (strcmp(*argv, "rate") == 0) {
NEXT_ARG();
if (opt.rate.rate) {
fprintf(stderr, "Double \"rate\" spec\n");
return -1;
}
if (get_rate(&opt.rate.rate, *argv)) {
explain1("rate");
return -1;
}
ok++;
} else if (matches(*argv, "peakrate") == 0) {
NEXT_ARG();
if (opt.peakrate.rate) {
fprintf(stderr, "Double \"peakrate\" spec\n");
return -1;
}
if (get_rate(&opt.peakrate.rate, *argv)) {
explain1("peakrate");
return -1;
}
ok++;
} else if (strcmp(*argv, "help") == 0) {
explain();
return -1;
} else {
fprintf(stderr, "What is \"%s\"?\n", *argv);
explain();
return -1;
}
argc--; argv++;
}
if (!ok)
return 0;
if (opt.rate.rate == 0 || !buffer) {
fprintf(stderr, "Both \"rate\" and \"burst\" are required.\n");
return -1;
}
if (opt.peakrate.rate) {
if (!mtu) {
fprintf(stderr, "\"mtu\" is required, if \"peakrate\" is requested.\n");
return -1;
}
}
if (opt.limit == 0 && latency == 0) {
fprintf(stderr, "Either \"limit\" or \"latency\" are required.\n");
return -1;
}
if (opt.limit == 0) {
double lim = opt.rate.rate*(double)latency/1000000 + buffer;
if (opt.peakrate.rate) {
double lim2 = opt.peakrate.rate*(double)latency/1000000 + mtu;
if (lim2 < lim)
lim = lim2;
}
opt.limit = lim;
}
if ((Rcell_log = tc_calc_rtable(opt.rate.rate, rtab, Rcell_log, mtu, mpu)) < 0) {
fprintf(stderr, "TBF: failed to calculate rate table.\n");
return -1;
}
opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer);
opt.rate.cell_log = Rcell_log;
opt.rate.mpu = mpu;
if (opt.peakrate.rate) {
if ((Pcell_log = tc_calc_rtable(opt.peakrate.rate, ptab, Pcell_log, mtu, mpu)) < 0) {
fprintf(stderr, "TBF: failed to calculate peak rate table.\n");
return -1;
}
opt.mtu = tc_calc_xmittime(opt.peakrate.rate, mtu);
opt.peakrate.cell_log = Pcell_log;
opt.peakrate.mpu = mpu;
}
tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
addattr_l(n, 2024, TCA_TBF_PARMS, &opt, sizeof(opt));
addattr_l(n, 3024, TCA_TBF_RTAB, rtab, 1024);
if (opt.peakrate.rate)
addattr_l(n, 4096, TCA_TBF_PTAB, ptab, 1024);
tail->rta_len = (((void*)n)+NLMSG_ALIGN(n->nlmsg_len)) - (void*)tail;
return 0;
}
static int htb_parse_class_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
{
int ok=0;
struct tc_htb_opt opt;
__u32 rtab[256],ctab[256];
unsigned buffer=0,cbuffer=0;
int cell_log=-1,ccell_log = -1;
unsigned mtu, mpu;
unsigned char mpu8 = 0, overhead = 0;
struct rtattr *tail;
memset(&opt, 0, sizeof(opt)); mtu = 1600; /* eth packet len */
while (argc > 0) {
if (matches(*argv, "prio") == 0) {
NEXT_ARG();
if (get_u32(&opt.prio, *argv, 10)) {
explain1("prio"); return -1;
}
ok++;
} else if (matches(*argv, "mtu") == 0) {
NEXT_ARG();
if (get_u32(&mtu, *argv, 10)) {
explain1("mtu"); return -1;
}
} else if (matches(*argv, "mpu") == 0) {
NEXT_ARG();
if (get_u8(&mpu8, *argv, 10)) {
explain1("mpu"); return -1;
}
} else if (matches(*argv, "overhead") == 0) {
NEXT_ARG();
if (get_u8(&overhead, *argv, 10)) {
explain1("overhead"); return -1;
}
} else if (matches(*argv, "quantum") == 0) {
NEXT_ARG();
if (get_u32(&opt.quantum, *argv, 10)) {
explain1("quantum"); return -1;
}
} else if (matches(*argv, "burst") == 0 ||
strcmp(*argv, "buffer") == 0 ||
strcmp(*argv, "maxburst") == 0) {
NEXT_ARG();
if (get_size_and_cell(&buffer, &cell_log, *argv) < 0) {
explain1("buffer");
return -1;
}
ok++;
} else if (matches(*argv, "cburst") == 0 ||
strcmp(*argv, "cbuffer") == 0 ||
strcmp(*argv, "cmaxburst") == 0) {
NEXT_ARG();
if (get_size_and_cell(&cbuffer, &ccell_log, *argv) < 0) {
explain1("cbuffer");
return -1;
}
ok++;
} else if (strcmp(*argv, "ceil") == 0) {
NEXT_ARG();
if (opt.ceil.rate) {
// fprintf(stderr, "Double \"ceil\" spec\n");
return -1;
}
if (get_rate(&opt.ceil.rate, *argv)) {
explain1("ceil");
return -1;
}
ok++;
} else if (strcmp(*argv, "rate") == 0) {
NEXT_ARG();
if (opt.rate.rate) {
// fprintf(stderr, "Double \"rate\" spec\n");
return -1;
}
if (get_rate(&opt.rate.rate, *argv)) {
explain1("rate");
return -1;
}
ok++;
} else if (strcmp(*argv, "help") == 0) {
explain();
return -1;
} else {
// fprintf(stderr, "What is \"%s\"?\n", *argv);
explain();
return -1;
}
argc--; argv++;
}
/* if (!ok)
return 0;*/
if (opt.rate.rate == 0) {
// fprintf(stderr, "\"rate\" is required.\n");
return -1;
}
/* if ceil params are missing, use the same as rate */
if (!opt.ceil.rate) opt.ceil = opt.rate;
/* compute minimal allowed burst from rate; mtu is added here to make
sute that buffer is larger than mtu and to have some safeguard space */
if (!buffer) buffer = opt.rate.rate / HZ + mtu;
if (!cbuffer) cbuffer = opt.ceil.rate / HZ + mtu;
/* encode overhead and mpu, 8 bits each, into lower 16 bits */
mpu = (unsigned)mpu8 | (unsigned)overhead << 8;
opt.ceil.mpu = mpu; opt.rate.mpu = mpu;
if ((cell_log = tc_calc_rtable(opt.rate.rate, rtab, cell_log, mtu, mpu)) < 0) {
// fprintf(stderr, "htb: failed to calculate rate table.\n");
return -1;
}
opt.buffer = tc_calc_xmittime(opt.rate.rate, buffer);
opt.rate.cell_log = cell_log;
if ((ccell_log = tc_calc_rtable(opt.ceil.rate, ctab, cell_log, mtu, mpu)) < 0) {
// fprintf(stderr, "htb: failed to calculate ceil rate table.\n");
return -1;
}
opt.cbuffer = tc_calc_xmittime(opt.ceil.rate, cbuffer);
opt.ceil.cell_log = ccell_log;
tail = (struct rtattr*)(((void*)n)+NLMSG_ALIGN(n->nlmsg_len));
addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
addattr_l(n, 2024, TCA_HTB_PARMS, &opt, sizeof(opt));
addattr_l(n, 3024, TCA_HTB_RTAB, rtab, 1024);
addattr_l(n, 4024, TCA_HTB_CTAB, ctab, 1024);
tail->rta_len = (((void*)n)+NLMSG_ALIGN(n->nlmsg_len)) - (void*)tail;
return 0;
}
